US Bridges

Csah 23 over Stream

Good

Jackson County, Minnesota · 0.2 MI SE of JCT Csah 4 · Structure no. 32531

Built
1979
46 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
242
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 23 over Stream is a prestressed concrete tee beam carrying Csah 23 over Stream in Jackson County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 242 vehicles a day, projected to reach 390 by 2042. The structure is 59 ft (17.9 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 23
CrossesStream
Location0.2 MI SE of JCT Csah 4
RouteCounty Highway 23
Coordinates43.52192, -94.91456
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.2 US tons
Inventory rating34.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length59 ft (17.9 m)
Longest span56 ft (17.1 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic242 (2022)
Projected traffic390 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$134 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 23 over Stream built?

It was built in 1979, making it 46 years old in 2025.

What condition is Csah 23 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Csah 23 over Stream carry?

About 242 vehicles per day (2022 count).

How long is Csah 23 over Stream?

The structure is 59 ft (17.9 m) long with a longest span of 56 ft (17.1 m) and a deck 37 ft wide.

Who owns Csah 23 over Stream?

It is owned by the County Highway Agency.